Home / 226,705.83-312,641.66-140,678.77

Finding the Fourth Proportional to 226,705.83, 312,641.66 and 140,678.77

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Solution

The fourth proportional to 226,705.83, 312,641.66 and 140,678.77 is: 194,004.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,705.83 : 312,641.66 = 140,678.77 : x
  2. Step 2: Convert to fraction form
    226,705.83/312,641.66 = 140,678.77/x
  3. Step 3: Cross multiply
    226,705.83x = 312,641.66 × 140,678.77
  4. Step 4: Simplify right side
    226,705.83x = 43,982,043,476.16
  5. Step 5: Solve for x
    x = 43,982,043,476.16/226,705.83
  6. Step 6: Final answer
    x = 194,004.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.